<template>
  <div id="nav-bar" >
    <!--设置三个插槽，左右中-->
    <div  class="left">
      <slot  name="left"></slot>
    </div>
    <div class="center">
      <slot name="center"></slot>
    </div>
    <div class="right">
      <slot name="right"></slot>
    </div>
  </div>
</template>

<script>
export default {
  name: "App",
  components: {}
};
</script>

<style>
#nav-bar {
  display: flex;
  height: 44px;
  line-height: 44px;
  text-align: center;
  
}
.left,
.right {
  width: 60px;
}

.center {
  flex: 1;
}
</style>